Epson 7900CTP User Manual
Epson 7900CTP User Manual

Epson 7900CTP User Manual

Computer to plate system
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Epson Stylus Pro 7900CTP
®
Computer to Plate System
User's Guide

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Table of Contents
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Summary of Contents for Epson 7900CTP

  • Page 1 Epson Stylus Pro 7900CTP ® Computer to Plate System User’s Guide...
  • Page 2: Table Of Contents

    Installing the Plate Guide on the Printer ........
  • Page 3: Introduction

    Introduction The Epson Stylus Pro 7900CTP Computer to Plate System enables small business printers to print ® Epson DirectPlate Aluminum plates to run on their presses. To run a print job on the system: • Computer-separated images are produced with the RIP software •...
  • Page 4: Pcu Safety Instructions

    Do not disable the safety mechanisms installed by the manufacturer in the PCU. See additional safety instructions for the printer in the Epson Stylus Pro 7900/9900 Printer Guide. C it is safe to turn off the PCU by the main power switch in the back...
  • Page 5: Purchasing Supplies

    Purchasing Supplies The Epson Stylus Pro 7900CTP Computer to Plate System was designed exclusively to use Epson DirectPlate Aluminium plate technology. Epson currently offers a complete lineup of plate sizes to work with the majority of printing presses available. If you do not see your press in the table below, check www.proimaging.epson.com or contact your Epson Professional Imaging Authorized Reseller to...
  • Page 6: System Requirements

    System Requirements Your computer must meet these requirements to run the RIP software: Minimum • ® -compatible PC with a Pentium • 1GB of RAM • 80GB hard drive (20GB available space recommended) • Microsoft Windows Vista ® • DVD drive Recommended •...
  • Page 7: Setting Up

    Setting Up Pre-installation Checklist You will need the following components: • Epson Stylus Pro 7900 printer • Plate curing unit (PCU) • Plate guide • Epson DirectPlate Aluminum sample pack (12 × 18 inches • eXpress CTP software RIP CD ™...
  • Page 8: Setting Up The Printer

    Before you begin, make sure you have sufficient space to set up and use the system. Setting Up the Printer See the Epson Stylus Pro 7900/9900 Printer Guide for the printer’s setup instructions and additional space requirements. For additional information, see the following: •...
  • Page 9: Setting Up The Pcu

    Setting Up the PCU You should allow an area of 50 × 33 inches (127 cm × 84 cm) for the PCU. The PCU has an L6-20P plug and requires a 220 V L6-20 electrical outlet. Caution: The electrical outlet must be rated for 220/240 V AC (with an acceptable range of 208 to 240 V). Place the PCU on a level, stable surface.
  • Page 10 Make sure the trays are fully seated in the slots. You can check this by looking through the slot openings to see if the trays are level with the belt inside the PCU. Note: Both trays should be at a slight incline towards the PCU. To make adjustments if necessary, use the plastic nuts located underneath the tray to create more or less incline.
  • Page 11: Calibrating The Pcu

    Calibrating the PCU After setting up the PCU, follow the steps below to calibrate it. The recommended initial settings for the PCU are a temperature of 190 plate should reach an even surface temperature of 150 to 160 Note: Depending on the temperature and the altitude where the PCU is located, you may need to adjust these settings slightly.
  • Page 12 Set the temperature to 190.0 The set temperature indicator on the right displays (in green) the temperature you set. The temperature indicator on the left displays (in red) the actual temperature. Set the Speed control knob to 1.5. Wait for the PCU to warm up to the set temperature; this takes approximately 5 minutes. The light on the Heater switch comes on while the PCU is warming up, and then turns off and on periodically after that.
  • Page 13: Installing The Plate Guide On The Printer

    Remove the roll paper if installed, to have room to attach the screws on the plate guide. See the Epson Stylus Pro 7900/9900 Printer Guide for more information. Slide the plate guide onto the right side of the roll paper cover, aligning it snugly with the black edge...
  • Page 14 Note: The hexagonal wrench included with the Epson Stylus Pro 7900CTP system and the one included with the printer are different sizes. You need both sizes.
  • Page 15 Installing the Plate Guide on the Printer | When the plate prints out, use a metric ruler to measure the distance from the left edge of the plate to point A on the printed plate. Then measure the distance from the left edge of the plate to point B. If the distances to points A and B are equal, go to step 7.
  • Page 16 Use the hexagonal wrench included with the Epson Stylus Pro 7900CTP system to adjust the alignment of the plate guide. If distance A is greater than distance B, tighten the alignment screw; if distance B is greater than distance A, loosen the screw. Half a rotation of the screw moves the guide approximately 1.0 mm (0.04 inch).
  • Page 17 Applying the Guide Strip After the plate guide is aligned correctly, attach the Teflon guide strip to the printer to prevent plates from catching under the plate guide. Remove the adhesive backing from the strip. Align the strip as shown against the plate guide, and apply it from just above the top of the guide to the bottom edge of the roll paper cover.
  • Page 18: Setting Up The Rip

    | Setting Up the RIP Setting Up the RIP Insert your EFI software RIP CD into your computer and follow the on-screen instructions to complete the software installation. Refer to the documentation included with the EFI software for setup and usage instructions. Also, see www.proimaging.epson.com for additional online videos and training tools on the EFI CTP software RIP.
  • Page 19: Loading A Plate In The Printer

    Caution: Examine each plate carefully before you use it. If the plate is dented or the corners or edges are bent, do not use it. Even the slightest bent corner can damage the printer. Use only Epson DirectPlate Aluminum plates.
  • Page 20 Make sure the printer is turned on, the P power light is not flashing, and the roll paper cover is firmly closed. Press the l Paper Source button until the Press the Paper release (ePlaten) button. Set the printer to the highest paper suction setting. This will help load the plate. To do that, press u to increase the suction.
  • Page 21: Unloading A Plate From The Printer

    Note: Since you will use multiple plates consecutively on the printing press, it is best to load plates into the printer in the same direction each time. If this is not done, there is a slight possibility of minor differences in final printing.
  • Page 22 Turn on the Heater switch on the control panel. Heater switch Make sure the settings are correct (see “Calibrating the PCU” on page 11). Note: You should not have to change the settings unless you experience a problem on the press. Wait for the PCU to warm up to the set temperature;...
  • Page 23: Using Epson Directplate Aluminum Plates

    Using Epson DirectPlate Aluminum Plates Plate Curing Tips The requirements for curing can vary with temperature, humidity, and altitude. If you don’t get the number of impressions you expect, you may need to adjust the cure rate. You can usually achieve the best results with lower surface temperatures and decreased speed for less media distortion and a higher number of impressions.
  • Page 24: Cleaning Plates

    Dampening Tips • If a transition roller connects the dampening system and the inking system (e.g., ALCOLOR and other similar continuous-feed dampening systems), deactivate the transition roller. • If the printing press has a pre-dampening function (for example, the Heidelberg Printmaster QM), set a higher pre-dampening level.
  • Page 25: Correcting Plates

    Test washes by rubbing a little on a plate to see if it removes the image. Maintenance • See the Epson Stylus Pro 7900/9900 Printer Guide for printer maintenance. • Keep the PCU trays clean to retain their low-friction properties. Make sure the PCU is turned off.
  • Page 26: Pcu Specifications

    PCU Specifications Specification Description Dimensions Width: 33 inches (838 mm) Depth: 16 inches (406 mm) Height: 10.5 inches (267 mm) Electrical 220/240 V, 20 A male plug Requires a NEMA L6-20 receptacle The supplied cable has three conductors: Green = Earth/ground Black = AC Phase (208 –...
  • Page 27: Notices

    Notices | Notices FCC Compliance Statement The PCU has been tested to be compliant with the following standards: EN 55022:2006/A1:2007 Class A ITE emissions requirements (EU) ICES-003 Issue 4 Class A Digital Apparatus emissions requirements (Canada) FCC 47 CFR Part 15 Class A emissions requirements (USA) VCCI Class A ITE emissions requirements (Japan) AS/NZS CISPR 22:2006 Class A ITE emissions requirements (Australia) EN 61000-3-2:2006 Limits for harmonic current emissions (equipment input current up to including 16A per phase)
  • Page 28 CPD-28133 Printed in USA...

This manual is also suitable for:

Sp7900ctpStylus pro 7900

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